The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 11, 2013
Filed:
May. 28, 2010
Applicants:
Edwin G. Sawdon, St. Clair, MI (US);
Brian D. Petit, Algonac, MI (US);
Michael D. Miller, Marysville, MI (US);
Inventors:
Edwin G. Sawdon, St. Clair, MI (US);
Brian D. Petit, Algonac, MI (US);
Michael D. Miller, Marysville, MI (US);
Assignee:
BTM Corporation, Marysville, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B25B 5/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A clamp having a lock is provided. In another aspect, a fail safe lock maintains the position of a clamping member when fluid pressure or other actuating power is undesirably reduced. Another aspect employs teeth on a locking structure which engage matching teeth on a shaft where engagement of the teeth prevent unclamping of a workpiece. In still another aspect, a manual override member disengages a lock in order to unclamp a workpiece.